Year	% of primary school age children
1977	99.1299
1994	97.33665
1996	97.9898
1997	98.47849
1998	99.51725
1999	98.89011
2000	98.91577
2001	99.25604
2002	99.28735
2003	98.28539
2004	96.62122
2005	96.82525
2006	97.32263
2007	98.14066
2008	99.22781
2009	99.72259
2010	99.30476
2011	98.78802
2012	98.24204
2013	98.10257
2014	98.21974
2015	98.6384
2016	99.51819
2017	99.92112